Question

Tổng của 3 số thập phân bằng 6,66. Số hạng thứ nhất và số hạng thứ ba có tỉ số là 3 và có trung bình cộng bằng số thứ hai. Tìm ba số đó.

Answer 1

SH1 : SH3 = 3 -> SH1 bằng 1 phần, SH3 bằng 3 phần

SH2 = (3 + 1) : 2 = 2 phần

..........................

Answer 2

tịk mình đi mà mình đang bị âm điểm 

HU HU HÍC HÍC

Answer 3

Bài giải

SH1 : SH3 = 3 -> SH1 bằng 1 phần ,

SH3 bằng 3 phần

SH2 = ( 3 + 2 ) : 2 = 2 phần

Đ/S...........................

Answer 4

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